Do not create VDPAU profile unconditionally.

This is a partial revert of 4cd8186. It caused VDPAU profiles to always be re-created, no matter the platforms.
Display profiles are created elsewhere for better or worse ; so let's have a unique place to worry about

mythtv/libs/libmythtv/videodisplayprofile.cpp

@@ -1193,9 +1193,6 @@ void VideoDisplayProfile::CreateVAAPIProfiles(const QString &hostname)
 void VideoDisplayProfile::CreateProfiles(const QString &hostname)
 {
     CreateNewProfiles(hostname);
-#if defined(USING_VDPAU)
-    CreateVDPAUProfiles(hostname);
-#endif
 }
 
 QStringList VideoDisplayProfile::GetVideoRenderers(const QString &decoder)